"Exploring Materials - Liquid Crystals" is a hands on activity demonstrating that the way a material behaves on the macroscale is affected by its structure on the nanoscale. Visitors investigate the properties of a heat sensitive liquid crystal and make...

"Sublimation Bubbles" how some solid materials can sublimate directly into their liquid form. Participants use water to observe dry ice sublimating into gaseous carbon dioxide, and then capture the gas in soapy bubbles.

These materials will help your facilitators run engaging, enjoyable chemistry activities at your event. Facilitator guides for individual activities are included on each activity's NISENet page, but this section includes additional resources for longer or more complex supplementary activities, including...

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change. Participants make little baking soda and vinegar "rockets," launching plastic caps into the air, and experimenting to discover the best mix of fuel...

"Exploring Materials—Oobleck" is a hands on activity in which visitors investigate the properties of a cornstarch and water mixture and test its ability to protect from impacts. Visitors learn that similar nanomaterials can be used in new personal protective equipment.

"Molecules in Motion" explores how materials behave and change in a vacuum. Participants can experiment with putting various objects in a small vacuum chamber and then observing the objects as air is removed from the chamber.

Welcome to your Explore Science: Let's Do Chemistry toolkit! This section contains everything you will need to begin planning and promoting your Let's Do Chemistry event. The downloadable planning and promotion guide will walk you through your event. Also included...

"Exploring Products - Liquid Crystal Displays" is a hands-on activity in which visitors investigate temperature-sensitive liquid crystal sheets and liquid crystal displays from a calculator. They learn that liquid crystals change color as a result of nanoscale shifts in the...

Included here are digital copies of promotional materials for your Explore Science: Let's Do Chemistry toolkit. In addition to ready-to-print materials, you will find design files and images for customizing existing materials or creating your own! For customizable materials, be...

In the semiconductor industry scientists take advantage of diffusion to "dope" or introduce atoms into a silicon wafer to change its conductive properties. The lesson simulates the diffusion of a gas phase substance (ammonia) into a solid substrate (gelatin) and...

This 3-part lesson introduces the nanoscale effect of various energy inputs on the crystal lattice of a smart material, Nitinol, and then invites students to become nanotechnology inventors. Students will first explore how energy exchanges lead to solid-state phase changes...

Liquid crystals are matter that has properties between those of a liquid and a solid. Liquid crystals may flow like a liquid but have crystals like a solid.colors of the objects are Color is the outcome of various light properties:...

Howtosmile is a collection of the best educational materials on the web, in addition to learning tools and services – all designed especially for those who teach school-aged kids in non-classroom settings. earch over 3,500 of the very best science...

Students learn about a class of materials called shape memory alloys. They will explore how these materials work and what applications these materials are used in. They will discuss phase transformations.

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